1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 icensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "[email protected]"
19
20 #include <android/hardware/cas/1.1/ICasListener.h>
21 #include <android/hardware/cas/1.2/ICasListener.h>
22 #include <media/cas/CasAPI.h>
23 #include <utils/Log.h>
24
25 #include "CasImpl.h"
26 #include "SharedLibrary.h"
27 #include "TypeConvert.h"
28
29 namespace android {
30 namespace hardware {
31 namespace cas {
32 namespace V1_1 {
33 namespace implementation {
34
CasImpl(const sp<ICasListener> & listener)35 CasImpl::CasImpl(const sp<ICasListener>& listener) : mListener(listener) {
36 ALOGV("CTOR");
37 }
38
~CasImpl()39 CasImpl::~CasImpl() {
40 ALOGV("DTOR");
41 release();
42 }
43
44 // static
OnEvent(void * appData,int32_t event,int32_t arg,uint8_t * data,size_t size)45 void CasImpl::OnEvent(void* appData, int32_t event, int32_t arg, uint8_t* data, size_t size) {
46 if (appData == NULL) {
47 ALOGE("Invalid appData!");
48 return;
49 }
50 CasImpl* casImpl = static_cast<CasImpl*>(appData);
51 casImpl->onEvent(event, arg, data, size);
52 }
53
54 // static
CallBackExt(void * appData,int32_t event,int32_t arg,uint8_t * data,size_t size,const CasSessionId * sessionId)55 void CasImpl::CallBackExt(void* appData, int32_t event, int32_t arg, uint8_t* data, size_t size,
56 const CasSessionId* sessionId) {
57 if (appData == NULL) {
58 ALOGE("Invalid appData!");
59 return;
60 }
61 CasImpl* casImpl = static_cast<CasImpl*>(appData);
62 casImpl->onEvent(sessionId, event, arg, data, size);
63 }
64
65 // static
StatusUpdate(void * appData,int32_t event,int32_t arg)66 void CasImpl::StatusUpdate(void* appData, int32_t event, int32_t arg) {
67 if (appData == NULL) {
68 ALOGE("Invalid appData!");
69 return;
70 }
71 CasImpl* casImpl = static_cast<CasImpl*>(appData);
72 casImpl->onStatusUpdate(event, arg);
73 }
74
init(const sp<SharedLibrary> & library,CasPlugin * plugin)75 void CasImpl::init(const sp<SharedLibrary>& library, CasPlugin* plugin) {
76 mLibrary = library;
77 std::shared_ptr<CasPlugin> holder(plugin);
78 std::atomic_store(&mPluginHolder, holder);
79 }
80
onEvent(int32_t event,int32_t arg,uint8_t * data,size_t size)81 void CasImpl::onEvent(int32_t event, int32_t arg, uint8_t* data, size_t size) {
82 if (mListener == NULL) {
83 return;
84 }
85
86 HidlCasData eventData;
87 if (data != NULL) {
88 eventData.setToExternal(data, size);
89 }
90
91 mListener->onEvent(event, arg, eventData);
92 }
93
onEvent(const CasSessionId * sessionId,int32_t event,int32_t arg,uint8_t * data,size_t size)94 void CasImpl::onEvent(const CasSessionId* sessionId, int32_t event, int32_t arg, uint8_t* data,
95 size_t size) {
96 if (mListener == NULL) {
97 return;
98 }
99
100 HidlCasData eventData;
101 if (data != NULL) {
102 eventData.setToExternal(data, size);
103 }
104
105 if (sessionId != NULL) {
106 mListener->onSessionEvent(*sessionId, event, arg, eventData);
107 } else {
108 mListener->onEvent(event, arg, eventData);
109 }
110 }
111
onStatusUpdate(int32_t event,int32_t arg)112 void CasImpl::onStatusUpdate(int32_t event, int32_t arg) {
113 if (mListener == NULL) {
114 return;
115 }
116 sp<V1_2::ICasListener> listenerV1_2 = V1_2::ICasListener::castFrom(mListener);
117
118 if (listenerV1_2 != NULL) {
119 listenerV1_2->onStatusUpdate(static_cast<StatusEvent>(event), arg);
120 }
121 }
122
setPluginStatusUpdateCallback()123 Return<Status> CasImpl::setPluginStatusUpdateCallback() {
124 ALOGV("%s", __FUNCTION__);
125 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
126 if (holder.get() == nullptr) {
127 return toStatus(INVALID_OPERATION);
128 }
129 return toStatus(holder->setStatusCallback(&CasImpl::StatusUpdate));
130 }
131
setPrivateData(const HidlCasData & pvtData)132 Return<Status> CasImpl::setPrivateData(const HidlCasData& pvtData) {
133 ALOGV("%s", __FUNCTION__);
134 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
135 if (holder.get() == nullptr) {
136 return toStatus(INVALID_OPERATION);
137 }
138 return toStatus(holder->setPrivateData(pvtData));
139 }
140
openSession(openSession_cb _hidl_cb)141 Return<void> CasImpl::openSession(openSession_cb _hidl_cb) {
142 ALOGV("%s", __FUNCTION__);
143 CasSessionId sessionId;
144
145 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
146 status_t err = INVALID_OPERATION;
147 if (holder.get() != nullptr) {
148 err = holder->openSession(&sessionId);
149 holder.reset();
150 }
151
152 _hidl_cb(toStatus(err), sessionId);
153
154 return Void();
155 }
156
openSession_1_2(const SessionIntent intent,const ScramblingMode mode,openSession_1_2_cb _hidl_cb)157 Return<void> CasImpl::openSession_1_2(const SessionIntent intent, const ScramblingMode mode,
158 openSession_1_2_cb _hidl_cb) {
159 ALOGV("%s", __FUNCTION__);
160 CasSessionId sessionId;
161
162 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
163 status_t err = INVALID_OPERATION;
164 if (holder.get() != nullptr) {
165 err = holder->openSession(static_cast<uint32_t>(intent), static_cast<uint32_t>(mode),
166 &sessionId);
167 holder.reset();
168 }
169
170 _hidl_cb(toStatus_1_2(err), sessionId);
171
172 return Void();
173 }
174
setSessionPrivateData(const HidlCasSessionId & sessionId,const HidlCasData & pvtData)175 Return<Status> CasImpl::setSessionPrivateData(const HidlCasSessionId& sessionId,
176 const HidlCasData& pvtData) {
177 ALOGV("%s: sessionId=%s", __FUNCTION__, sessionIdToString(sessionId).string());
178 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
179 if (holder.get() == nullptr) {
180 return toStatus(INVALID_OPERATION);
181 }
182 return toStatus(holder->setSessionPrivateData(sessionId, pvtData));
183 }
184
closeSession(const HidlCasSessionId & sessionId)185 Return<Status> CasImpl::closeSession(const HidlCasSessionId& sessionId) {
186 ALOGV("%s: sessionId=%s", __FUNCTION__, sessionIdToString(sessionId).string());
187 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
188 if (holder.get() == nullptr) {
189 return toStatus(INVALID_OPERATION);
190 }
191 return toStatus(holder->closeSession(sessionId));
192 }
193
processEcm(const HidlCasSessionId & sessionId,const HidlCasData & ecm)194 Return<Status> CasImpl::processEcm(const HidlCasSessionId& sessionId, const HidlCasData& ecm) {
195 ALOGV("%s: sessionId=%s", __FUNCTION__, sessionIdToString(sessionId).string());
196 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
197 if (holder.get() == nullptr) {
198 return toStatus(INVALID_OPERATION);
199 }
200
201 return toStatus(holder->processEcm(sessionId, ecm));
202 }
203
processEmm(const HidlCasData & emm)204 Return<Status> CasImpl::processEmm(const HidlCasData& emm) {
205 ALOGV("%s", __FUNCTION__);
206 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
207 if (holder.get() == nullptr) {
208 return toStatus(INVALID_OPERATION);
209 }
210
211 return toStatus(holder->processEmm(emm));
212 }
213
sendEvent(int32_t event,int32_t arg,const HidlCasData & eventData)214 Return<Status> CasImpl::sendEvent(int32_t event, int32_t arg, const HidlCasData& eventData) {
215 ALOGV("%s", __FUNCTION__);
216 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
217 if (holder.get() == nullptr) {
218 return toStatus(INVALID_OPERATION);
219 }
220
221 status_t err = holder->sendEvent(event, arg, eventData);
222 return toStatus(err);
223 }
224
sendSessionEvent(const HidlCasSessionId & sessionId,int32_t event,int32_t arg,const HidlCasData & eventData)225 Return<Status> CasImpl::sendSessionEvent(const HidlCasSessionId& sessionId, int32_t event,
226 int32_t arg, const HidlCasData& eventData) {
227 ALOGV("%s", __FUNCTION__);
228 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
229 if (holder.get() == nullptr) {
230 return toStatus(INVALID_OPERATION);
231 }
232
233 status_t err = holder->sendSessionEvent(sessionId, event, arg, eventData);
234 return toStatus(err);
235 }
236
provision(const hidl_string & provisionString)237 Return<Status> CasImpl::provision(const hidl_string& provisionString) {
238 ALOGV("%s: provisionString=%s", __FUNCTION__, provisionString.c_str());
239 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
240 if (holder.get() == nullptr) {
241 return toStatus(INVALID_OPERATION);
242 }
243
244 return toStatus(holder->provision(String8(provisionString.c_str())));
245 }
246
refreshEntitlements(int32_t refreshType,const HidlCasData & refreshData)247 Return<Status> CasImpl::refreshEntitlements(int32_t refreshType, const HidlCasData& refreshData) {
248 ALOGV("%s", __FUNCTION__);
249 std::shared_ptr<CasPlugin> holder = std::atomic_load(&mPluginHolder);
250 if (holder.get() == nullptr) {
251 return toStatus(INVALID_OPERATION);
252 }
253
254 status_t err = holder->refreshEntitlements(refreshType, refreshData);
255 return toStatus(err);
256 }
257
release()258 Return<Status> CasImpl::release() {
259 ALOGV("%s: plugin=%p", __FUNCTION__, mPluginHolder.get());
260
261 std::shared_ptr<CasPlugin> holder(nullptr);
262 std::atomic_store(&mPluginHolder, holder);
263
264 return Status::OK;
265 }
266
267 } // namespace implementation
268 } // namespace V1_1
269 } // namespace cas
270 } // namespace hardware
271 } // namespace android
272